#!bin/bash
#This fiber_num
num1=1
num2=1
echo -n "$num1+$num2"
sum=2;
for((i=1;i<=8;i++))
    do
    tmp=$(expr $num1 + $num2)
    echo -n "+$tmp"
    ((num1=num2))
    ((num2=tmp))
    sum=$(expr $sum + $tmp)
    done
    echo "=$sum"
 #end

